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ADR280ART-REEL7 датащи(PDF) 1 Page - Analog Devices |
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ADR280ART-REEL7 датащи(HTML) 1 Page - Analog Devices |
1 / 8 page Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or oth- erwise under any patent or patent rights of Analog Devices.Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. ADR280 1.2 V Ultralow Power High PSRR Voltage Reference FEATURES 1.2 V Precision Output Excellent Line Regulation, 2 ppm/V Typical High Power Supply Ripple Rejection, –80 dB at 220 Hz Ultralow Power, Supply Current 16 A Maximum Temperature Coefficient, 40 ppm/oC Maximum Low Noise, 12.5 nV/ ÷Hz Typical Operating Supply Range, 2.4 V to 5.5 V Compact 3-Lead SOT-23 and SC70 Packages APPLICATIONS GSM, GPRS, 3G Mobile Stations Portable Battery-Operated Electronics Low Voltage Converter References Wireless Devices PIN CONFIGURATIONS 3-Lead SOT-23 (RT Suffix) VOUT V+ 1 2 3 ADR280 V– 3-Lead SC70 (KS Suffix) V+ VOUT 1 2 3 ADR280 V– TEMPERATURE (C) 15 –15 –40 100 –20 0 20 40 60 80 –10 –5 0 5 10 3V TO 5V Figure 1. Line Regulation vs.Temperature GENERAL DESCRIPTION The ADR280 is a 1.2 V band gap core reference with excellent line regulation and power supply rejection designed specifically for applications experiencing heavy dynamic supply variations, such as data converter references in GSM, GPRS, and 3G mobile station applications. Devices such as the AD6535, which has an analog baseband IC with on-board baseband and audio codecs, voltage regulators, and battery charger, rely on the ADR280’s ability to reject input battery voltage variations during RF power amplifier activity. In addition to mobile stations, the ADR280 is suitable for a variety of general-purpose applications. Most band gap refer- ences include internal gain for specific outputs, which simplifies the user’s design but compromises on the cost, form factor, and flexibility.The ADR280, on the other hand, optimizes the band gap core voltage and allows users to tailor the voltage, current, or transient response by simply adding their preferred op amps. The ADR280 operates on a wide supply voltage range from 2.4V to 5.5 V. It is available in compact 3-lead SOT-23 and SC70 packages.The device is specified over the extended industrial temperature range of –40°C to +85°C. REV. A |
Аналогичный номер детали - ADR280ART-REEL7 |
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Аналогичное описание - ADR280ART-REEL7 |
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